CVE-2025-8803

A vulnerability has been found in Open5GS up to 2.7.5. Affected is the function gmm_state_de_registered/gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 1f30edac27f69f61cff50162e980fe58fdeb30ca. It is recommended to upgrade the affected component.

Weakness

The product does not release or incorrectly releases a resource before it is made available for re-use.

Affected Software

Potential Mitigations

• Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
• For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/125.html
• https://cwe.mitre.org/data/definitions/130.html
• https://cwe.mitre.org/data/definitions/131.html
• https://cwe.mitre.org/data/definitions/494.html
• https://cwe.mitre.org/data/definitions/495.html
• https://cwe.mitre.org/data/definitions/496.html
• https://cwe.mitre.org/data/definitions/666.html

References

• https://github.com/ZHENGHAOHELLO/BugReport
• https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca
• https://github.com/open5gs/open5gs/issues/3948
• https://github.com/open5gs/open5gs/issues/3948#issuecomment-3030223641
• https://github.com/open5gs/open5gs/releases/tag/v2.7.6
• https://vuldb.com/?ctiid.319332
• https://vuldb.com/?id.319332
• https://vuldb.com/?submit.626123
• https://github.com/open5gs/open5gs/issues/3948